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Lines 49-63
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| 49 |
static bool is_valid_name (const char *name) |
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static bool is_valid_name (const char *name) |
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{ |
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{ |
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/* |
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/* |
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* User/group names must match [a-z_][a-z0-9_-]*[$] |
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* User/group names must match [a-zA-Z_][a-zA-Z0-9_-]*[$] |
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* Allow user to use uppercase under his/her responsibility |
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*/ |
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*/ |
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if (('\0' == *name) || |
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if (('\0' == *name) || |
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!((('a' <= *name) && ('z' >= *name)) || ('_' == *name))) { |
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!((('a' <= *name) && ('z' >= *name)) || |
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(('A' <= *name) && ('Z' >= *name)) || |
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('_' == *name) |
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)) { |
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return false; |
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return false; |
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} |
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} |
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while ('\0' != *++name) { |
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while ('\0' != *++name) { |
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if (!(( ('a' <= *name) && ('z' >= *name) ) || |
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if (!(( ('a' <= *name) && ('z' >= *name) ) || |
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( ('A' <= *name) && ('Z' >= *name) ) || |
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( ('0' <= *name) && ('9' >= *name) ) || |
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( ('0' <= *name) && ('9' >= *name) ) || |
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('_' == *name) || |
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('_' == *name) || |
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('-' == *name) || |
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('-' == *name) || |
